Mark the vblank event on bochs as simulated, so that the WAIT_VBLANK
ioctl fails with an error. The ioctl should not be supported because
the output is not synchronized to a display refresh.

Signed-off-by: Thomas Zimmermann <[email protected]>
---
 drivers/gpu/drm/tiny/bochs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tiny/bochs.c b/drivers/gpu/drm/tiny/bochs.c
index e2d957e51505..b5955ef39e31 100644
--- a/drivers/gpu/drm/tiny/bochs.c
+++ b/drivers/gpu/drm/tiny/bochs.c
@@ -677,7 +677,7 @@ static int bochs_kms_init(struct bochs_device *bochs)
        drm_connector_attach_edid_property(connector);
        drm_connector_attach_encoder(connector, encoder);
 
-       ret = drm_vblank_init(dev, 1);
+       ret = drmm_vblank_init(dev, 1, DRM_VBLANK_FLAG_SIMULATED);
        if (ret)
                return ret;
 
-- 
2.54.0

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